Fit Models Hepa Filter Replacement Parts Compatible With Tineco A11 Hero, A10 Hero, A10 Master, A11 Master Pure One S11, Pwrhero11 Snap S15 Cordless Vacuum Cleaner | | Package Include Includes 4 Pack Pre-Filters, 3 Pack Post-Filters, 1 Pack Cleaning Tools | | Works Great These Replacement Vacuum Filters Are Made Of Pc, It Is Sturdy Enough To Use Many Times, Compatible And Work Just Like The Original One, To Keep Robot Running At Best Performance, The Filters Are Recommended To Be Replaced Every 2-3 Months | | Easy To Replace It Is Easy To Be Replaced And Installed On Your Vacuum Cleaner, Snap Into Place For Quick And Effortless Routine Replacement Without Tools | | After Service Our Product Have Been Well Tested, Examined And Package Before Sending Off, Please Just Feel Free To